package lab02.test02;

import java.util.Scanner;

import static lab02.test02.Circle.PI;

public class Test02 {
    public static void main(String[] args) {
        Circle cir=new Circle();
        Scanner sc =new Scanner(System.in);
        System.out.println("请输入圆的半径：");
        cir.radii= sc.nextFloat();
        cir.round();
        cir.area();

    }
}
